GB/T 36267-2018Test method of energy consumption per unit products for tempered glass (English PDF)
钢化玻璃单位产品能耗测试方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
June 7, 2018
Implementation date
May 1, 2019
Scope
GB/T 36267-2018 is the English-translated version of 钢化玻璃单位产品能耗测试方法.
GB/T 36267-2018 sets out how to measure the energy consumed to produce a unit of tempered glass. It applies to horizontal production lines using physical tempering and not to chemical tempering lines.
The standard separates flat and curved glass, both regular and low-emission coated, fixes a statistical period of continuous production of at least 1 h and no fewer than 5 furnaces, and describes the preparation, including checking the cable lines that feed heating and cooling and the measuring set made of a digital electronic instrument, split-core current transformers and a recording system.
It then defines which consumption is counted, how readings are taken before and after the period, and how energy consumption is calculated. Tempered glass producers use it. It was issued on 7 June 2018 and has applied since 1 May 2019.
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Document preview — GB/T 36267-2018
National Standard of the People's Republic of China
- ICS
- 81.040.20
- Classification
- Q 33
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword3
- 1 Scope4
- 2 Normative References4
- 3 Statistical Classification4
- 4 Statistical Period4
- 5 Statistical Preparation5
- 6 Energy Consumption and Production Statistics5
- 7 Calculation Method of Energy Consumption6
1 Scope
This Standard specifies the statistical classification, statistical period, statistical preparation, energy consumption and output statistics and energy consumption calculation methods for the energy consumption per unit products of tempered glass.
This Standard is applicable to the test of energy consumption in the horizontal tempered glass production line of physical tempering method.
This Standard is not applicable to the test of energy consumption in the chemical tempered glass production line.
2 Normative References
The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this document.
GB 15763.2 Safety Glazing Materials in Building - Part 2. Tempered Glass
GB/T 20840.2 Instrument Transformers - Part 2. Additional Requirements for Current Transformers
3 Statistical Classification
Separately count the flat regular tempered glass, flat low-emission coated tempered glass, curved regular tempered glass and curved low-emission coated tempered glass.
4 Statistical Period
The statistical period for the tempered glass with the same thickness and the same type in the same production line shall be continuous production for at least 1h, and no less than 5 furnaces.
5 Statistical Preparation
5.1 Statistical preparation of energy consumption
Check the power supply design drawings of the tempered glass manufacturer or the cable line for the heating and cooling processes of the tempered glass production line determined and coordinated between the person in charge of the enterprise and the electrician; record the rated current passing through each cable line.
5.2 Energy consumption statistical device
The energy consumption statistical device consists of digital electronic measuring instrument, current transformer and record statistics system. Digital electronic measuring instrument. the accuracy level is above 0.2.
Current transformer. it adopts the split-core current transformer with accuracy level above 0.5; two current transformers are equipped with ranges of 1000A and 2500A; their performances meet the requirements of GB/T 20840.2.
Record statistical system. record the real-time current and real-time voltage every 2s; calculate the total energy consumption during the statistical period.
6 Energy Consumption and Production Statistics
6.1 Energy consumption statistics range
In the case of normal production of the enterprise, count the energy consumption in the tempered glass production line excluding glass cutting, edging, cleaning, and the like processes, as well as the energy consumption of other auxiliary equipment.
When an enterprise has multiple tempered glass production lines, they shall be counted separately.
6.2 Energy consumption statistics
According to the rated current passing through the ith cable line, select the current transformer with suitable range; correctly connect with the energy consumption statistics device; record the energy consumption W1 displayed on the device before the statistical period; record the energy consumption W2 displayed on the device after the completion of the statistical period.
The energy consumption Ei of the ith cable line during the statistical period shall be calculated as per Formula (1). […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
GB 15763.2 · GB/T 20840.2
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